Nikon 29842-9425-19 D80 User's Manual - Page 158
Battery Life
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Battery Life The number of shots that can be taken with a fully-charged EN-EL3e battery (1500 mAh) varies with the condition of the battery, temperature, and how the camera is used. The following measurements were performed at a temperature of 20 °C (68 °F). Example 1: 2,700 shots AF-S DX IF ED 18-135 mm f/3.5-5.6G lens; continuous shooting mode; continuous-servo autofocus; image quality set to JPEG Basic; image size set to M; shutter speed s; shutter-release button pressed halfway for three seconds and focus cycled from infinity to minimum range three times; after six shots, monitor turned on for five seconds and then turned off; cycle repeated once exposure meters have turned off. Example 2: 600 shots AF-S DX IF ED 18-135 mm f/3.5-5.6G lens; single-frame shooting mode; continuous-servo autofocus; image quality set to JPEG Normal; image size set to L; shutter speed 1⁄250 s; shutter-release button pressed halfway for five seconds and focus cycled from infinity to minimum range once; monitor turned on for four seconds after each shot; built-in Speedlight fired at full power with every other shot; next shot taken after exposure meters have turned off. The following can reduce battery life: • Using the monitor • Keeping the shutter-release button pressed halfway • Repeated autofocus operations • Taking RAW (NEF) photographs • Slow shutter speeds To ensure maximum battery performance: • Keep the battery contacts clean. Soiled contacts can reduce battery performance. • Use EN-EL3e batteries immediately after charging. Batteries will lose their charge if left unused. • Check battery status regularly using the Battery info option in the setup menu ( 107). The battery level displayed by the camera may vary with changes in temperature. 146 Technical Notes / Specifications